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High-Pressure Testing is basically what it sounds like. Colt magazines are easier to load, look cooler, and are metal. It may not deliver as much lubricity as a smoother nitride finish. But as far as Ive seen, almost no one HPT their 9mm BCGs. They want something that can last them pretty much close to an entire lifetime. If your AR-15 9mm rifle needs an upgrade or if youre building one from scratch, one of these five will end up being yours to own. There are very few 9mm bolt carrier groups with that sort of magazine compatibility. Hence, nitride coating allows the resistance against corrosion. One such important component for this change is the 9mm BCG. The JP Enterprises AR-15/M-16 BCG may just be your best BCG that you can own if youre planning on firing off a number of rounds with your AR-15 pistol calibers. This BCG is probably considered the best because it is simple to install and it will get your gun to work in the quickest time possible. AR-15 bolt carrier groups for sale at $48.18, get AR15 bolt carrier groups at the lowest price on the market of more than 100 stores on WikiArms.com . This is lightweight, easy to install and remove, and battle-tested to take on whatever application you put your AR-15 9mm pistol through. Functions with all AR15 style PCC systems including: Colt Style Magazine. So dont cheap out and get the lowest-priced thing you can find. Competitive shooting and even home defense applications are also suitable. A gun lover since young, served the country for the last 20 years. Foxtrot Mike Products FM-9 Bolt Carrier Assembly, 4. SKU: 2009-0705-001. 9mm ARs also (generally) have less felt recoil making them easier and more comfortable to shoot. However, this bolt carrier group is well-matched with Glock and Colt SMG magazines. That way you can use whatever mag that fits your budget or existing magazine stockpile. Designing something they call radial blowback is basically a turning bolt that very closely mimics the action of a normal AR-15 BCG in that it turns and locks into the barrel. Most recent buyers are happy with it overall. And if you want to leave your options open and start collecting parts now, you can grab one of our modular 9mm bolt carrier groups and decide later on which type of magazine is best for you. There is no right or wrong answer here, just pick the system you like best and run with it. Nickel Boron: Literally what the name suggests, this is a coating made of Nickel and Boron (95/5%) that is then applied to the BCG using electroless. Score: 5.00 (votes: 1) Faxon Firearms 9mm Blow Back Bolt Carrier Group . This is a great coating, no question there. Some buyers were also building their pistols from the ground up and needed a functional BCG that was right out of the box. No failures or reliability issues were reported. FailZero 9mm Nickel Boron BCG. Top Sellers. We maintain the dual COLT/GLOCK compatible geometry, user-removable weight and full-auto compatibility while adding new and welcome features. Add to Cart. NO Credit Card Fee! . This may be modified a bit to ensure that it will work with all kinds of upper receivers. For example, nickel boron (NiB) coated BCG is super smooth and very easy to clean. Visit our 22/rimfire category today and take advantage of our lightning fast shipping! For something that wont jam even after 1000 shots, thats quite a bright sign. New Releases. It features the SLIMLINE design, trademarked by Glock, so not only is it comfortable to hold, but even easier to conceal. Robin Egg Blue (2) Pink Sherbert (1) Northern Lights (1) Battle Grey (1) Firehouse . I know. Therefore, you know whether or not it requires any additional parts or if its simply ready to drop in and be installed. 9mm Complete Bolt Carrier Group $ 169.95 $ 84.95. Quick view Details. . Beau has collected guns since he was 21. Save my name, email, and website in this browser for the next time I comment. That said for some reason, many BCGs dont actually tell you that they are MPI tested and if they are if it is individual testing or batch testing. Put into simple terms the bolt carrier group is the beating heart of an AR-15 rifle. But they normally arent cheap. This will be used by budget AR-15 9mm owners who want to get the best out of their pistols. This is where the Aero Precision EPC-9 comes in. Only 7 left in stock. At only 7.9 ounces, it's fairly light and easy to tune your AR gas system around. Go to BLACK NITRIDE BLACK NITRIDE. . At risk of being monotonous, this is a target shooters 9mm bolt carrier group BCG. As youre looking for a BCG, look for one that is the best in quality but can fit somewhere in your desired budget. You dont have to choose between a Colt or Glock style 9mm AR15 because both Kaw valley and New Frontier make a modular 9mm bolt that accepts both style magazine. These extra-powerful cartridges are designed to be WAY more powerful than what the BCG should normally ever shoot. His father taught him hunting, bullet casting and reloading, which lead him to develop a strong passion for guns and gun gear. Faxon Firearms AR-15 9mm Bolt Carrier Group, 3. Without it, you cannot even shoot your carbine to begin with! This is as close as youre going to get to a universal BCG. The following is a list of the five best 9mm BCGs currently on the market. These days, you wont normally see many BCGs that arent able to function with both magazines, but they are out there. The Brownell's Titanium BCG pairs best with an adjustable gas block. Description. As such, it lost a lot of popularity because there arent many companies that can do it right. A few BCGs have the potential to take on the multiple amounts of firing power. Either way you can't go wrong as Glocks 32 round magazine has proven to be just as reliable as Colt.

Firing Pin Retaining Pin for AR-15. Out of Stock. $159.95 $135.95 Get it at AR15Discounts.com. Building a 9mm AR is not that tough. This drop-in 9mm Bolt Carrier Group features a corrosion resistant Nitride finish and is machined from 8620 steel. There are a lot of material variations out there. Because of that there isnt much to do to make them better than the others. For example, most AR-9 pistols will accept Glock 19 length or longer 9mm magazines. Pink AR Parts Flat Dark Earth AR Parts OD Green AR Parts Gray AR Parts Red AR Parts Blue AR Parts Burnt Bronze Cerakote AR Parts Titanium Cerakote AR Parts Tungsten Cerakote AR Parts. Required fields are marked *. Little to no failures through 1000 Rounds2. staked gas key, grade 8+ fasteners, enhanced extractor spring with oring. I'm Mike, one of the oldest writer of Sniper Country! Granted, thats tens of thousands of rounds so rarely is it a problem for people but it will happen. This is especially helpful if youre a smaller shooter. This is the part that works the most and is responsible for the proper operation of your rifle. 9mm Nitride Hybrid Bolt Carrier Group for Glock & Colt . Hi! $420ish for a barrel and BCG makes it $210 for each and thats not a bad price for two great prices of kit. Salt Bath Nitride Finish inside and out. The start of my EPC experience arrived in four parts; 9mm bolt carrier group (BCG), AR15 Breach charging handle, and completed upper and lower receivers. In some cases, you can even interchange the magazines. Speaking of shorter barrels, small weapons are always easier to maneuver in tight spaces. TR AR-10/LR-308 Black Nitride Bolt Carrier Group. In that case, maybe a different BCG could be the solution. We recommend using only MILSPEC hammers with any 9mm, .40, or .45 blowback bolt carrier groups. (5 reviews) Write a Review. But simply picking any random BCG doesnt create a flawless AR. Rise Armament advanced bolt carrier group manufactured with precision and individually inspected to ensure high-level . Blue chameleon PVD m16 Ar15 Bolt Carrier Group BCG $ 329.42 $ 149.12-48%. We always see ourselves as fans of something that wont hit the shelves unless it passes all kinds of tests with flying colours in this Faxon Firearms 9mm. Out of Stock. NBS 9mm Bolt Carrier Group - Blue PVD. It fits most Colt AR-15 9mm pistols without much issues. 1:10 Twist. Installation was easy and free of any frustrations. Rated 0 out of 5 $ 164.00 Add to cart. Before we start on the list itself, lets talk about what a bolt carrier group is and what it do. GOLD Parts. Definitely worth looking into if thats an option for you. (In Stock) $160.99 - $189.99. But its also really rough, ugly, and harder to clean. AR 15 Bolt Carrier Group Parts. So it has the ability to work with a good amount of upper and lower receivers. Save my name, email, and website in this browser for the next time I comment. Hopefully, you will find something useful over here or just have fun! The most common is Titanium Nitride (TiN) while PVD and CVD are processed to apply allow on bolt carrier groups. In its place should be an essential key. This is a radical (get it?) Address: 40 S Main St, Tooele, UT 84074, United States, Monday Friday: 10am 7pm Without a BCG, you cannot use your 9mm. AR-9 9mm Bolt Carrier Group - BCG (Glock & Colt Compatible)-8620 Mag Phosphate Finish -- Full Auto compatible--use standard AR hammer or 9mm hammer Compare Items 4. our price: $224.99 . M16 9MM Bolt Budget 9mm Bolt Carrier Group, Foxtrot Mike Products FM-9 Bolt Carrier Assembly, A Brief Introduction of 9mm Bolt Carrier Group, Review of the Best 9mm AR Bolt Carrier Group Evaluated, 2. In . However, not this one. However, we recommend using a dedicated 9mm upper receiver. Glock & Colt Mag 9MM BCG (GEN 3) GLOCK & COLT MAG 9MM BCG (GEN 3) . There are nearly a dozen components that include a bolt carrier group. Toolcraft 9mm DLC Bolt Carrier Group $ 199.99 $ 189.99 More Info. Well also talk about what encompasses a BCG along with a brief guide on how to find one for your own 9mm. Very few 9mm BCG makers use HPT testing though. NBS 9mm Bolt Carrier Group - Black Nitride - w/ Light Firing Pin Springs. If you have a Glock 34, Glock 17, or a Glock 19 for your handgun, you can use the same magazines for both weapons. Custom Deal BCG & Charging Handle Combos 9mm Nitride Bolt Carrier Group - Accepts Glock and Colt Mags (External Extractor) + AR-15 Ambi Charging Handle - Silver. Rating: 87%. Factory New Condition. So it will be most likely used by range shooters and competitive shooters alike. If youre doing something like PCC competitions, this might be very appealing to you. Cons: May require a heavier, 10-ounce buffer because the contouring cuts reduce the weight of this bolt carrier slightly. Toolcraft. Aside from that, the construction is solid and everything is assembled in place. Bolt Carrier Groups Home Bolt Carrier Groups. Now that weve covered why you need to upgrade your 9mm bolt carrier group and what to look for in one, here are our top three choices for the best 9mm bolt carrier groups for 2022: The Faxon Firearms 9mm Bolt Carrier Group is simple, awesome, and very useful. Lantac USA M-SPEC 5.56 Bolt Carrier Group Titanium Nitride OUR TOP PICK: Brownells - AR-15 Brownells 9mm Bolt Carrier Group. Sale! We know that a BCG like Foxtrot Mikes wont steer you wrong in the slightest. Even if youll be spending an amount thats high on your firing pin budget range for the best 9mm bolt carrier group, its a lot better than buying an ineffective BCG just because of the cheap AR9 gas key price tag. NP3: This is basically Nickel Boron with some magic fairy dust. This BCG was made for the Colt fanatic and thats why we like it. Youll often find TiN coated BCG in high-end AR rifles. Mercury Precision AR 9mm Complete Bolt Carrier Group (2) $117.99 $85.99. This BCG has the aptitude to work with all kinds of charging handles. Complete 9mm bolt carrier group assembly Phosphate finish Superior to chrome lined and parkerized bolt carrier groups Can use Glock or colt magazine with this BCG Ramped to use standard hammer MADE IN USA. This BCG is probably considered one of the best because it is simple to install and it will get your gun to work in the speediest time possible. Nothing to sneeze at, but the heat dissipation might be quite slow. Additionally, components like magazines, magwell flare, and Colt or Glock compatible upper and BCG are also important considerations before creating the AR9 build. Now, lets kick off this list by unveiling our best overall choice: Recent buyers were able to install this BCG in a matter of minutes. You should also know some of the supplementary characteristics and aspects of each bolt carrier group. Other than an extractor, ejector, and the fake gas key an AR-9 BCG is basically just a lump of metal. In Stock. Description: F-1 Firearms Durabolt carrier group (BCG) is full auto-rated and is available in 5.56 NATO, 7.62 NATO and 9MM. The following is a list of some of the best 9mm bolt carrier group BCGs that are currently on the market as of this writing. So it can take multiple hammer hits on a great day. Its just a mil-spec finish. This way, it saves them some money rather than have to go out and buy a brand new BCG in a few years time. Alternatively, it can be the pistol design itself. We offer bolt carrier groups for various AR-15 builds. Subscribe to our newsletter and get gun deals, educational content, hand's on reviews and news on law changes! Compatible with most Colt-brand AR-15 pistols and magazines, R&D Precision 9mm Complete BCG Versatile 9mm Bolt Carrier Group, 1. For more information: www.P65Warnings.ca.gov. Toolcraft 9mm Bolt Carrier Group Gen 2 - Black Nitride. To make sure that you find the best one, weve put together a list of some of the best 9mm BCGs that are currently on the market (as of this writing). At this point, its compatible with most of them but not all of them. our price: $219.99 . Its made from some high-quality steel that will definitely work to your advantage if youre looking for something that is guaranteed to last you years or even decades. Add to cart. All you need to do is install this in your AR-15 9mm pistol and youll be ready to go no matter what youre using your pistol for. Each of them has its own advantages. Blue PVD IonBond "Deco" Finish. Now, the finish is a regular phosphate coating. So always ensure that you get a trigger that has been specified to be used with 9mm AR rifles when using aftermarket triggers. Alternative Views: MSRP: $175.00. $159.95; Out of stock. As you look through each one, pay attention to the features and functions. There are nearly a dozen components that comprise a bolt carrier group. Usually, 9mm bolt carrier groups in this price range have some kind of functional limitation. Out of stock. Its the broadest magazine compatibility you can find. So it sticks out for its potential to be a long-lasting BCG, especially for the avid target shooter. The manufacturer loads up a cartridge extra hot and fires it in the BCG. Because of the blowback system it's a good idea to choose a heavier bolt carrier group and buffer. This is made for shooters who want their Colt AR-15 pistol to last them many years (so long as they take great care of it). Especially if you are looking for one to install in your AR-15 pistol. On a side note, make sure the bolt works with ramped barrels. R1 Tactical PVD M16 Bolt Carrier Group - Blue. Done right, hard chrome is easy to clean, smooth, super corrosion-proof, and just wonderful to use. Simple as that. QTY: Description Prop. One of the things that may improve is making some alterations to the size. Machined from 8620 steel and featuring a nitride finish, fracture resistant grade 23 titanium pin, and 4140 steel extractor, the EPC bolt assembly is precision machined from the ground up to meet the . I started the blog to share my experience and gun-related knowledge accumulated throughout the years. You should have all the parts you need to ensure that the BCG 9mm bolt carrier group works properly and is ready to be installed. The JP Enterprises AR-15/M-16 BCG might just be your best BCG that you can own if youre planning on firing off a ton of rounds with your AR-15 pistol. To avoid confusion, theyre each an individual coating and arent the same. PSA Freedom AR-15 Nitride Bolt Carrier Group With Carpenter 158 Bolt - 516446915 . This is a BCG that is more than a budget BCG option. It is important to note that aftermarket triggers designed for the .223/5.56 may not work properly with the 9mm setup. Your email address will not be published. Most recent buyers were satisfied with it overall. This will be used by most AR-15 pistols users that are casual or competitive target shooters. Beau has also trained with the USCCA and is a current member. Choosing a Lightweight AR-15 Bolt Carrier Groupthat is low mass or lightweight tends to help the cycling of the AR, and will make the experience smoother with less felt recoil. Shop bolt carrier groups for AR15 and AR10. As one of the most vital pieces of your firearm, your AR-15 bolt carrier group (BCG) needs to be 100% reliable. But if youre building your own rifle or youre interested in upgrading your current one then knowing a little about why and what the BCG does will help a lot in picking the right one for you. Saturday: 10am 5pm Both are great, easy to find, and about the same price. Lightweight and doesnt add on any additional weight to the AR-15 9mm itself 2. It may not be much of an issue, but it will make the BCG a little more reliable than most. Sign up to receive promotional emails roughly once a month. 65 Warning for CA Residents Trusted quality and reliability, the ODIN Works 9mm BCG is designed to work with both Colt and Glock style lowers and magazines. This BCG is something that might have been created for the competitive shooter in mind. 9310 bolt, MPI/HPT Tested, Shot Peened, Nitrided. AR15/M4 5.56 Ambidextrous Charging Handle. Made out of 8620 Steel, and designed to work with Colt and Glock style magazines, this BCG is designed to make sure that you will not have any malfunctions when you are out in the field or on the range. BEST BUDGET OPTION: J P Enterprises - AR-15/M16 9mm Bolt Carrier Group. That way you get standard AR-15 job from both your upper and lower receiver if you want. So find one that is compacted in construction and reliable in use so it can last you long term rather than not at all. This BCG has the ability to work with all kinds of charging handles. Aero's EPC-9 is a direct-blowback, semiautomatic carbine chambered in 9mm. Any complete AR-9 upper will come with a BCG. If you're going to dedicate your build to using Colt pattern magazines, such as the Metalform 32 round magazines, then you can use one of our CMMG MK9 bolts. That way you can really adjust your 9mm carbine. But folding Americas favorite rifle the AR-15 can be a little tricky. Toolcraft 9mm Bolt Carrier Group $ 149.99 $ 88.00 Add to cart. That way, it wont cause any issues with any AR-15 pistol lower receivers. It directly influences the shooting performance of your carbine. This was designed to handle pretty much all kinds of multiple firing episodes. KVP 9MM Blow Back Bolt Carrier Group. Shop BCGs from WMD Guns. However, Nickel Boron is subjected to natural wear and tear so be sure to handle your Nickle Boron with care. As you look through each one, pay attention to the structures and functions. Hence, many bolt carrier group manufacturers on the market sway away from producing hard chrome. Aside from the easy installation process and quality construction, most users are able to fire off hundreds of rounds without a single reliability issue. BCG Features: 8620 m16 Carrier. A BCG includes some key components that will work in unification with your 9mms firing ability. This one, in particular, may be one of them. The carrier is constructed of US made 8620 steel, with a Nitride QPQ finish. Precision-machined carrier and bolt. Compatible with most competition components, 1. Check out our deals on our bolt carrier groups to complete an AR upper or to find a spare part. 9mm AR Bolt Carrier Group feature a blow back design for use in AR9 style rifles and pistols. Remember that the bolt carrier group is the heart of your 9mm AR carbine. This was the coating of choice by Eugene Stoner, hard chrome is a very good coating but its hard to apply. Rated 5.00 out of 5. This bolt carrier group is also companionable with the Law Tactical folding stock adapter, which is suitable for storage and staging. 919 NATO Chamber. SKU: APRH100070C. Last but not least, this bolt carrier group is compatible with standard AR-15 upper receivers and ejection port covers. R&D Precision 9mm Complete BCG Versatile 9mm Bolt Carrier Group, 7. That way, it wont cause any problems with any AR-15 pistol lower receivers. Tiger Rock Inc. .223/5.56 Polished Aluminum Lightweight Competition Bolt Carrier Group Features: 9310 Steel MPI Bolt .223/5.56 Caliber Mil-Spec Precision Machined 7075 Polished Aluminum Carrier Anodized Finish - Blue Lightweight 5.9oz Reduces recoil/increase cycle speed Competition Shooting Design NO FULL AUTO CAPABLE Fits: AR-15 / .300BLK 5.56 BCG Free Shipping Option* Remove from Compare Add to Compare. Pistols will no longer ship with braces. Dont ruin all that by Firearms are hot-ticket items for burglaries because they retain value. Super durable, especially with the addition of the nitrite finish, 1. SKU: 7217 Categories: AR-15 BCGs, Bolts, Carriers & BCGs (Bolt Carrier Groups) 8. Prices accurate at time of publishing. Its durable, cheap, easy, and good. NBS 9mm Bolt Carrier Group Blue PVD - 7217. Custom Deal BCG & Charging Handle Combos 9mm Nitride Bolt Carrier Group - Accepts Glock and Colt Mags (External Extractor) + AR-15 Ambi Charging Handle - Gold/Bronze. Nothing a little testing and tweaking cant fix. If youre looking for a BCG that will be the perfect match for your Colt AR-15 9mm pistol, look no further than the Colt brand BCG. Faxon 5.56/300 BLK Gunner Light Weight Bolt Carrier Group Nitride M16 Bolt Carrier Group AR15 BCG. Super durable and resistant to almost any kind of damage 3. AR-15 9MM BOLT CARRIER GROUP FOR GLOCK AND COLT. Thats pretty amazing, right? Avoid any 9mm BCG that does not come certified with an MPI. Recent buyers are able to call this a high quality and very inexpensive BCG. An AR-9 pistol is a very compact shooter! BCGs are mostly manufactured from Carpenter 158 steel, 9310 steel, or 8620 steel. Beretta Cx4 Storm 92 9mm PCC Rifle, Blk - JX49221M . To prevent this, many BCGs are tested via magnetic particle inspection. Properly heat treated. This can make for a neat and convenient setup for home defense, bugout bags, competition, and just plinking at the range. The 9mm Ramped Bolt uses standard AR15 hammer. Your Price: $127.49. What coating is best depends on your application, but here are some pros and cons. Manufactured from 8620 Steel and a hardened 17-4 stainless steel firing pin, this Toolcraft 9mm Bolt Carrier Group also features an M16 Style extractor and a removable counterweight. So they want a BCG that is built to last them years. Available in 9mm, .223/5.56, and .308/7.62 variations. They want something that can last them pretty much close to a lifetime. Nitride is a chemical treatment that hardened the surface and makes it far more resistant to corrosion. Especially if you need one to install in your AR-15 pistol. The gas pressure of the chamber itself is what forces the bolt backward to cycle. .223/5.56 Polished Aluminum Lightweight Competition Bolt Carrier Group - Blue. . Hard chrome is a durable and reliable coating but it is often difficult to apply. Quick View. Some brands still run MPI and having a BCG that passed MPI is a lot better than one that didnt. $179.95. . Its a drop-in BCG thats ready to go when you are. This way, it saves them money rather than have to go out and buy a brand new BCG in a few years time. While not as fancy as some other coatings, it works really well and provides a solid boost over a mil-spec coating (there is no mil-spec for AR-9s, I mean normal M4 BCGs). Strictly speaking, the bolt carrier group is considered the heart of your 9mm. Coatings are the biggest area where one BCG can outshine the others. Toolcraft Inc. of Marion North Carolina manufacturers bolt carrier groups in a large variety of calibers and finishes. 1. This is as close as youre going to get when it comes to the best in reliability for a Colt-style pistol. $124.99 $89.99 Sale. No jamming, no firing issues, just exactly how a bolt carrier group Faxon firearms 9mm should function according to most users. This BCG has that potential. RedMohawk 3.0 9mm/PCC BCG BlackNitride ELITE $ 199.99. Compatible with both 9mm Colt and Glock Magazines. 1. If youre simply looking for the best of the best when it comes to BCGs, the Brownell Brand AR-15 9mm BCG could be something that youre looking for.

9mm Blowback Bolt Carrier Groups

Of course, we cannot forget some of the major components as well. 9mm Luger Bolt Carrier Group - NiB-X Nickel Boron POLISHED. Drag and drop me to the cart. You can learn more about me here. This includes all of the awesome properties of Nickel Boron but with the added dry lube of Teflon. But this is a BCG that is built to be beaten and run hard for things like competition. Durability is directly proportional to longevity. NEW Aero Precision EPC-9 Bolt Carrier Group 9mm EPC9 NO CC FEES. Get gun deals, hand's on reviews, educational content and updates on law changes daily! M16 9MM Bolt is pretty much the most affordable 9mm bolt carrier group that you can lay your hands on for home defense purposes without any nonsense. $124.99 Original price $89.99. The RTBA brand brings you the only lightweight .22LR pencil barrel on the market at an affordable price! Select Brand. Why spend more money all the time on unproductive BCGs when you can buy 1 and stick with it for many years? Description. OverallOverall, if you want a 9mm bolt carrier group of the utmost durability and reliability and are willing to pay a premium price for it, then the JP Enterprises bolt carrier group deserves your close attention. Lifetime warranty on functionality, (normal wear and tear excluded) Our return policy is simple, if youre not 100% satisfied with your purchase send it back within 30 days for a no-questions-asked refund. When you install it, youll slide it into place through the rear of the receiver until it locks into place. . G19; 1911 Quick view. FailZero EXO Nickel Boron 9mm AR9 AR-15 Bolt Carrier Group, FailZero 9mm AR9 AR-15 Bolt Carrier Group - Black Nitride, Angstadt Arms 9mm AR-15 Bolt Carrier Group, Spike's Tactical Complete 9mm AR-15 Bolt Carrier Group, Alpha Shooting Sports PCC 9mm Bolt Carrier Group - V2 - Nitride, Rubber City Armory 9mm AR-15 Bolt Carrier Group, Foxtrot Mike Products Premium 9mm AR-15 Bolt Carrier Group - GLOCK Style, Faxon Firearms 9mm AR-15 Bolt Carrier Group GLOCK/Colt Style - Nitride, Odin Works 9mm AR-15 Bolt Carrier Group - Nitride, YOU MAY ALSO BE INTERESTED IN THESE PRODUCTS. Were not a huge corporation that values the bottom line more than their customers and were not a one-man band selling AR15 parts out of a garage, were big enough to compete and small enough that each customer matters. and .308 Platform bolt carrier group consists of a number of parts. DT17-011. Faxon Firearms. Mike has a passion for innovation and education across the industry to create great content, training, and insights from the best and brightest. Some buyers are also building their guns from the ground up and needed a functional 9mm bolt carrier group BCG that was right out of the box.